The Numerical Simulation of Recoil Caused by Blasting Demolition of High Buildings

TL;DRAbstract

On the basis of recoil in the process of blasting demolition of high buildings,this thesis applies dynamics theory to predict whether the phenomena of recoil will occur or not by simulation and calculation of the recoil and the pressure suffered from the rudimental supprter in the process of demolition.The eriterion of recoil relies on whether recoil can be overcome by the intensity of reservation or friction.To take the obliquity as increment,and to calculate the recoil and the pressure suffered from the rudimental supporter in correspondence with the every obliquity in the demolition by VC program,the relation curve can be obtained between recoil and obliqity. By means of examples testified with programs,the obtatined results are consistent with those those of practice。

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